Answer:
(x - 4)² + (y + 6)² = 5²
Step-by-step explanation:
rearrange the general equation as follows
collect the terms in x and y together and place the constant on the right side
x² - 8x + y² + 12y = - 27
add (half the coefficient of the x/y term)² to both sides
x² + 2(- 4)x + y² + 2(6)y = - 27
(x - 4)² + 16 + (y + 6)² + 36 = - 27 + 16 + 36
(x - 4)² + (y + 6)² = 25
(x - 4)² + (y + 6)² = 5² ← in standard form
I believe it is 1 14/25
39/9
÷
25/9
=
39 × 9
9 × 25
=
351/225
=
351 ÷ 9
225 ÷ 9
=
39/25
OR 1 14/25
Answer:
60 + 2.5n ≥ 150
2.5n ≥ 90
n ≥ 36 She must clean 90 tables to earn at least $150.
Step-by-step explanation:
She earns $2.50 for each table she cleans so n represents the number of tables she cleans. You add that to $60. At least must mean that the inequality has to be equal to or bigger than 60 + 2.5n.
Now we just have to solve, which I do for you above in the 'Answer' section.
I hope this helps you!! ^-^
Answer:
neither
Step-by-step explanation:
the problem shows that it is neither
Answer:
The rate of exponential growth of a bacterial culture is expressed as generation time, also the doubling time of the bacterial population. Generation time (G) is defined as the time (t) per generation (n = number of generations). Hence, G=t/n is the equation from which calculations of generation time (below) derive
Step-by-step explanation: